> 4 contour
252.356	19.9042	4
252.439	19.9244	4
252.523	19.9378	4
252.606	19.9475	4
252.689	19.9468	4
252.773	19.9429	4
252.856	19.933	4
252.939	19.9173	4
253.023	19.8947	4
253.069	19.8792	4
253.106	19.8676	4
253.189	19.8291	4
253.25	19.7959	4
253.273	19.7838	4
253.356	19.7291	4
253.378	19.7125	4
253.439	19.6635	4
253.477	19.6292	4
253.523	19.5827	4
253.557	19.5459	4
253.606	19.484	4
253.621	19.4625	4
253.672	19.3792	4
253.689	19.3442	4
253.714	19.2959	4
253.748	19.2125	4
253.772	19.1292	4
253.773	19.1271	4
253.791	19.0459	4
253.802	18.9625	4
253.807	18.8792	4
253.804	18.7959	4
253.794	18.7125	4
253.777	18.6292	4
253.773	18.6147	4
253.754	18.5459	4
253.722	18.4625	4
253.689	18.3946	4
253.682	18.3792	4
253.634	18.2959	4
253.606	18.255	4
253.573	18.2125	4
253.523	18.1553	4
253.498	18.1292	4
253.439	18.0738	4
253.406	18.0459	4
253.356	18.0074	4
253.288	17.9625	4
253.273	17.9527	4
253.189	17.9068	4
253.13	17.8792	4
253.106	17.8677	4
253.023	17.8397	4
252.939	17.8175	4
252.856	17.8021	4
252.802	17.7959	4
252.773	17.792	4
252.689	17.7877	4
252.606	17.7871	4
252.537	17.7959	4
252.523	17.7975	4
252.439	17.8105	4
252.356	17.8302	4
252.273	17.8572	4
252.219	17.8792	4
252.189	17.8911	4
252.106	17.9303	4
252.056	17.9625	4
252.023	17.9843	4
251.94	18.0459	4
251.939	18.0463	4
251.856	18.1215	4
251.848	18.1292	4
251.774	18.2125	4
251.773	18.2146	4
251.712	18.2959	4
251.689	18.3343	4
251.662	18.3792	4
251.622	18.4625	4
251.606	18.5042	4
251.59	18.5459	4
251.566	18.6292	4
251.55	18.7125	4
251.541	18.7959	4
251.539	18.8792	4
251.543	18.9625	4
251.553	19.0459	4
251.571	19.1292	4
251.596	19.2125	4
251.606	19.2364	4
251.63	19.2959	4
251.673	19.3792	4
251.689	19.4048	4
251.725	19.4625	4
251.773	19.5242	4
251.79	19.5459	4
251.856	19.6164	4
251.869	19.6292	4
251.939	19.6911	4
251.967	19.7125	4
252.023	19.7525	4
252.091	19.7959	4
252.106	19.8051	4
252.189	19.845	4
252.273	19.8772	4
252.279	19.8792	4
252.356	19.9042	4
> 8 contour
252.523	19.3045	8
252.606	19.333	8
252.689	19.3308	8
252.773	19.3203	8
252.846	19.2959	8
252.856	19.2929	8
252.939	19.2531	8
252.993	19.2125	8
253.023	19.1857	8
253.073	19.1292	8
253.106	19.0754	8
253.122	19.0459	8
253.15	18.9625	8
253.16	18.8792	8
253.154	18.7959	8
253.131	18.7125	8
253.106	18.6581	8
253.091	18.6292	8
253.023	18.5485	8
253.02	18.5459	8
252.939	18.4825	8
252.899	18.4625	8
252.856	18.4406	8
252.773	18.4141	8
252.689	18.4045	8
252.606	18.4024	8
252.523	18.4285	8
252.446	18.4625	8
252.439	18.4653	8
252.356	18.5202	8
252.328	18.5459	8
252.273	18.6107	8
252.259	18.6292	8
252.217	18.7125	8
252.196	18.7959	8
252.191	18.8792	8
252.199	18.9625	8
252.226	19.0459	8
252.273	19.123	8
252.276	19.1292	8
252.355	19.2125	8
252.356	19.2131	8
252.439	19.2717	8
252.502	19.2959	8
252.523	19.3045	8
> 12 contour
252.606	19.1586	12
252.689	19.1608	12
252.773	19.136	12
252.786	19.1292	12
252.856	19.0918	12
252.904	19.0459	12
252.939	18.989	12
252.955	18.9625	12
252.974	18.8792	12
252.963	18.7959	12
252.939	18.7493	12
252.922	18.7125	12
252.856	18.6449	12
252.83	18.6292	12
252.773	18.5963	12
252.689	18.579	12
252.606	18.5779	12
252.523	18.6222	12
252.513	18.6292	12
252.439	18.6974	12
252.427	18.7125	12
252.383	18.7959	12
252.374	18.8792	12
252.39	18.9625	12
252.439	19.0384	12
252.444	19.0459	12
252.523	19.1146	12
252.552	19.1292	12
252.606	19.1586	12
> 16 contour
252.606	19.0696	16
252.689	19.0843	16
252.773	19.0471	16
252.774	19.0459	16
252.856	18.9629	16
252.856	18.9625	16
252.889	18.8792	16
252.871	18.7959	16
252.856	18.7737	16
252.809	18.7125	16
252.773	18.6848	16
252.689	18.662	16
252.606	18.6653	16
252.535	18.7125	16
252.523	18.7217	16
252.467	18.7959	16
252.46	18.8792	16
252.479	18.9625	16
252.523	19.0149	16
252.569	19.0459	16
252.606	19.0696	16
> 20 contour
252.606	18.9882	20
252.689	19.0269	20
252.773	18.9747	20
252.785	18.9625	20
252.835	18.8792	20
252.811	18.7959	20
252.773	18.7519	20
252.689	18.7188	20
252.606	18.736	20
252.527	18.7959	20
252.523	18.8423	20
252.521	18.8792	20
252.523	18.8861	20
252.567	18.9625	20
252.606	18.9882	20
> 24 contour
252.689	18.978	24
252.712	18.9625	24
252.773	18.9125	24
252.795	18.8792	24
252.773	18.825	24
252.756	18.7959	24
252.689	18.7534	24
252.62	18.7959	24
252.606	18.8265	24
252.58	18.8792	24
252.606	18.9111	24
252.663	18.9625	24
252.689	18.978	24